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Claude Sonnet 4.6 vs GPT-5 Mini

Head to head on 23 shared benchmarks, with price, context window, and release dates.

Benchmark scores

77

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Model
Claude Sonnet 4.6

Anthropic

1.3565.3%1805elo79.932.4%79.7%11.2%42.4%78.4%80.0%76.1%63.9%77.7%86.5%86.4%67.7%45.0%46.6%44.1%77.1%42.4%51.5%78.9%87.1%--47.2%-47.6%------78.0%-----1207elo-51.0%------92.2%--------89.372.1%-----76.3----50.6%60.6%----62.8%
GPT-5 Mini

OpenAI

1.760.2%1310elo56.227.2%68.7%5.1%45.6%69.1%68.2%55.2%65.3%75.5%82.2%68.3%66.9%9.0%43.0%36.9%75.2%14.4%14.2%31.9%-0.0%46.7%-0.0%-1.130.0%-0.1520.0%25.0%40.0%-100.0%18.1%2.8%100.0%66.7%-0.0%-88.3%60.0%100.0%90.0%47.2%80.0%-54.5%0.0%1.541.5443.0%80.6%80.0%77.5%--16.8%4.9539.7%59.8%0.0%-9.5%0.0%86.1%0.49--39.21272.1186.0%86.0%47.9%
2 / 2 models
AttributeClaude Sonnet 4.6

Anthropic

GPT-5 Mini

OpenAI

DescriptionClaude Sonnet 4.6 is an AI model from Anthropic.GPT-5 mini is an AI model from OpenAI.
FamilyClaudeGPT
Params--
Open weightsclosedclosed
Licenseproprietaryproprietary
Released17 Feb 20267 Aug 2025
Context1,000,000400,000
Input $/1M$3.00$0.25
Output $/1M$15.00$2.00
Cache read $/1M$0.300$0.025
Cache write $/1M$3.750-
Speed45 tok/s0 tok/s
Latency1.12 s0.00 s
Modalitiestext, image, filetext, image, file
Providers--
PublisherAnthropicOpenAI
Reported scores

FAQ

Is Claude Sonnet 4.6 or GPT-5 Mini better?
Across the 23 benchmarks both models report on Sophon, Claude Sonnet 4.6 leads on 20 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
How do Claude Sonnet 4.6 and GPT-5 Mini compare on GPQA Diamond?
Claude Sonnet 4.6 scores 79.7% and GPT-5 Mini scores 68.7% on GPQA Diamond.
Which is cheaper, Claude Sonnet 4.6 or GPT-5 Mini?
GPT-5 Mini is cheaper at $2.00 per million output tokens against $15.00 for Claude Sonnet 4.6 - about 7.5x.
When were Claude Sonnet 4.6 and GPT-5 Mini released?
Claude Sonnet 4.6 was released 17 Feb 2026 by Anthropic. GPT-5 Mini was released 7 Aug 2025 by OpenAI.

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